Meaning

noun someone who is dazzlingly skilled in any field

adjective having or showing knowledge and skill and aptitude

originEtymology tree Proto-Indo-European *h₂éd Proto-Italic *ad Proto-Italic *ad- Latin ad- Latin apiō Proto-Indo-European *-sḱéti Proto-Italic *-skō Latin -scō Latin apīscor Latin adipīscor Latin adeptusbor. French adeptebor. English adept Borrowed from French adepte, from Latin adeptus (“who has achieved”), the past participle of adipisci (“to attain”).

Etymology from Wiktionary, CC BY-SA 3.0